#   Licensed under the Apache License, Version 2.0 (the "License");#   you may not use this file except in compliance with the License.#   You may obtain a copy of the License at##       http://www.apache.org/licenses/LICENSE-2.0##   Unless required by applicable law or agreed to in writing, software#   distributed under the License is distributed on an "AS IS" BASIS,#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.#   See the License for the specific language governing permissions and#   limitations under the License.## Copyright 2010 [name of copyright owner]class Enricher(object):    _fileter = None        def __init__(self, filter):        self._filter = filter    def is_enrichable(self, token):        return self._filter.check(token)            def enrich(self, token):        pass